#MILPRF27357 Microphone Transformer | Coils And Transformers

MILPRF27357

Audio Frequency Transformer

NSN 5950-01-508-6681

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
015086681

Product Features

Working voltage (peak): 100 volts; operating temperature range: -55 degree c to +130 degree c; insertion loss: 3.0 db at 1 khz; turns ratio: 1.83: 1; dc resistance: 18 ohms

Detail Specifications

Reliability Indicator:
Not established
Overall Length:
1.350 inches
Impedance Rating In Ohms:
150.0 all components all secondary
Impedance Rating In Ohms:
500.0 single component single primary
Frequency Rating:
300.0 hertz single component and 75.0 kilohertz single component
Body Length:
0.350 inches
Body Outside Diameter:
Between 0.490 inches and 0.510 inches
End Application:
734507 (53711) , control indicator unit; wsd: seawolf class ssn
Inclosure Type:
Fully enclosed
Mounting Method:
Plug-in single group
Winding Function And Quantity:
1 primary single component and 2 secondary single component
Winding Operating Current:
6.0 milliamperes dc single component single primary
Test Data Document:
81349-mil-prf-27 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity:
7 pin
Specification Data:
81349-mil-prf-27/357 government specification
NSN:
5950-01-508-6681
Item Name:
Transformer,microphone
Cage Code:
81349

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M27/357-035
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N MILPRF27357

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Last Updated: 07/31/2025